You will always need 2-3 experts, because in case of an incident, your 1 engineer might be on sick/holiday leave. Well but lets walk one step back looking at S

You will always need 2-3 experts, because in case of an incident, your 1 engineer might be on sick/holiday leave. Well but lets walk one step back looking at SO, they are a windows shop (.NET, MS SQL Server) so I doubt k8s would be found in their setup.